6778048448 has 56 divisors (see below), whose sum is σ = 14204411520. Its totient is φ = 3200152320.

The previous prime is 6778048447. The next prime is 6778048451. The reversal of 6778048448 is 8448408776.

It is a junction number, because it is equal to n+sod(n) for n = 6778048393 and 6778048402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778048447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369215 + ... + 387137.

Almost surely, 2^6778048448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6778048448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7102205760).

6778048448 is an abundant number, since it is smaller than the sum of its proper divisors (7426363072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6778048448 is a wasteful number, since it uses less digits than its factorization.

6778048448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18265 (or 18255 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 56.

The square root of 6778048448 is about 82328.9040859891. The cubic root of 6778048448 is about 1892.4956485180.

The spelling of 6778048448 in words is "six billion, seven hundred seventy-eight million, forty-eight thousand, four hundred forty-eight".